Specifications:

• Type: Vertical
• Sampling rate: 2 times per second
• Power-on self-test time: 10 seconds
• Model Number: A9-284
• Microphone: 1/2 inch condenser microphone
• Frequency response: 31.5Hz-8.5KHz
• Brand Name: GUYX
• A digital display: 5 digits, resolution 0.1dB